Report for 11231

Name

GETTYSBURG-DOM - GETTYSBURG COLLEGE, US

AS Adjacency Report

In the context of this report "Upstream" indicates that there is an adjacent AS that lines between the BGP table collection point (in this case at AS2.0) and the specified AS. Similarly, "Downstream" refers to an adjacent AS that lies beyond the specified AS. This upstream / downstream categorisation is strictly a description relative topology, and should not be confused with provider / customer / peer inter-AS relationships.

11231 GETTYSBURG-DOM - GETTYSBURG COLLEGE, US

  Adjacency:     2  Upstream:     2  Downstream:     0
  Upstream Adjacent AS list
    AS3356          LEVEL3 - Level 3 Parent, LLC, US
    AS7016          CCCH-3 - Comcast Cable Communications, LLC, US

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
2660  AS11231        ORIGIN  Originate:      81920 /15.68  Transit:          0 /0.00  GETTYSBURG-DOM - GETTYSBURG COLLEGE, US

Aggregation Suggestions

        Filter: Aggregates, Specifics

This report does not take into account conditions local to each origin AS in terms of policy or traffic engineering requirements, so this is an approximate guideline as to aggregation possibilities.

 Rank AS            AS Name                                      Current  Wthdw  Aggte  Annce Redctn       %
 4866 AS11231       GETTYSBURG-DOM - GETTYSBURG COLLEGE, US           26     12      2     16     10  38.46%


  Prefix               AS Path                              Aggregation Suggestion
  138.234.0.0/20       4777 2497 3356 11231   
  138.234.2.0/23       4777 2497 3356 11231 - Withdrawn - matching aggregate 138.234.0.0/20 4777 2497 3356 11231
  138.234.15.0/24      4777 2497 3356 11231 - Withdrawn - matching aggregate 138.234.0.0/20 4777 2497 3356 11231
  138.234.16.0/20      4777 2516 3356 11231   
  138.234.32.0/19      4777 2516 3356 11231 + Announce - aggregate of 138.234.32.0/20 (4777 2516 3356 11231) and 138.234.48.0/20 (4777 2516 3356 11231)
  138.234.32.0/21      4777 2516 3356 11231 - Withdrawn - aggregated with 138.234.40.0/21 (4777 2516 3356 11231)
  138.234.36.0/22      4777 2516 3356 11231 - Withdrawn - matching aggregate 138.234.32.0/21 4777 2516 3356 11231
  138.234.40.0/22      4777 2516 3356 11231 - Withdrawn - aggregated with 138.234.44.0/22 (4777 2516 3356 11231)
  138.234.44.0/23      4777 2516 3356 11231 - Withdrawn - aggregated with 138.234.46.0/23 (4777 2516 3356 11231)
  138.234.45.0/24      4777 2516 3356 11231 - Withdrawn - matching aggregate 138.234.44.0/23 4777 2516 3356 11231
  138.234.46.0/23      4777 2516 3356 11231 - Withdrawn - aggregated with 138.234.44.0/23 (4777 2516 3356 11231)
  138.234.48.0/20      4777 2516 3356 11231 - Withdrawn - aggregated with 138.234.32.0/20 (4777 2516 3356 11231)
  138.234.64.0/20      4777 2516 7922 7016 11231   
  138.234.80.0/20      4777 2497 3356 11231   
  138.234.96.0/19      4777 2497 3356 11231 + Announce - aggregate of 138.234.96.0/20 (4777 2497 3356 11231) and 138.234.112.0/20 (4777 2497 3356 11231)
  138.234.96.0/20      4777 2497 3356 11231 - Withdrawn - aggregated with 138.234.112.0/20 (4777 2497 3356 11231)
  138.234.112.0/20     4777 2497 3356 11231 - Withdrawn - aggregated with 138.234.96.0/20 (4777 2497 3356 11231)
  138.234.128.0/20     4777 2516 7922 7016 11231   
  138.234.144.0/20     4777 2497 3356 11231   
  138.234.160.0/20     4777 2516 7922 7016 11231   
  138.234.176.0/20     4777 2516 3356 11231 11231 11231 11231   
  138.234.192.0/18     4777 2516 3356 11231   
  138.234.200.0/21     4777 2497 3356 11231   
  138.234.208.0/20     4777 2497 3356 11231   
  138.234.224.0/22     4777 2516 3356 11231 - Withdrawn - matching aggregate 138.234.192.0/18 4777 2516 3356 11231
  138.234.228.0/22     4777 2497 3356 11231   
  138.234.232.0/21     4777 2497 3356 11231   
  138.234.240.0/20     4777 2497 3356 11231   

Advertisements that are fragments of the original RIR allocation (more specifics) originated by this AS.

AS11231   26 More Specifics   26 Total Advertisements   GETTYSBURG-DOM - GETTYSBURG COLLEGE, US
    138.234.0.0/20                138.234.0.0/16
    138.234.2.0/23                138.234.0.0/16
    138.234.15.0/24               138.234.0.0/16
    138.234.16.0/20               138.234.0.0/16
    138.234.32.0/21               138.234.0.0/16
    138.234.36.0/22               138.234.0.0/16
    138.234.40.0/22               138.234.0.0/16
    138.234.44.0/23               138.234.0.0/16
    138.234.45.0/24               138.234.0.0/16
    138.234.46.0/23               138.234.0.0/16
    138.234.48.0/20               138.234.0.0/16
    138.234.64.0/20               138.234.0.0/16
    138.234.80.0/20               138.234.0.0/16
    138.234.96.0/20               138.234.0.0/16
    138.234.112.0/20              138.234.0.0/16
    138.234.128.0/20              138.234.0.0/16
    138.234.144.0/20              138.234.0.0/16
    138.234.160.0/20              138.234.0.0/16
    138.234.176.0/20              138.234.0.0/16
    138.234.192.0/18              138.234.0.0/16
    138.234.200.0/21              138.234.0.0/16
    138.234.208.0/20              138.234.0.0/16
    138.234.224.0/22              138.234.0.0/16
    138.234.228.0/22              138.234.0.0/16
    138.234.232.0/21              138.234.0.0/16
    138.234.240.0/20              138.234.0.0/16

Whois Entry

whois: 402609

IANA has recorded AS11231 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS11231\n             
             #
             # ARIN WHOIS data and services are subject to the Terms of Use
             # available at: https://www.arin.net/resources/registry/whois/tou/
             #
             # If you see inaccuracies in the results, please report at
             # https://www.arin.net/resources/registry/whois/inaccuracy_reporting/
             #
             # Copyright 1997-2026, American Registry for Internet Numbers, Ltd.
             #
             
             
             ASNumber:       11231
             ASName:         GETTYSBURG-DOM
             ASHandle:       AS11231
             RegDate:        1998-05-22
             Updated:        2012-02-24
             Ref:            https://rdap.arin.net/registry/autnum/11231
             
             
             OrgName:        GETTYSBURG COLLEGE
             OrgId:          GETTYS
             Address:        300 N. Washington St.
             City:           Gettysburg
             StateProv:      PA
             PostalCode:     17325
             Country:        US
             RegDate:        1990-06-07
             Updated:        2011-09-24
             Ref:            https://rdap.arin.net/registry/entity/GETTYS
             
             
             OrgAbuseHandle: EY-ARIN
             OrgAbuseName:   Yurick, Eric 
             OrgAbusePhone:  +1-717-337-6888 
             OrgAbuseEmail:  eyurick@gettysburg.edu
             OrgAbuseRef:    https://rdap.arin.net/registry/entity/EY-ARIN
             
             OrgTechHandle: EY-ARIN
             OrgTechName:   Yurick, Eric 
             OrgTechPhone:  +1-717-337-6888 
             OrgTechEmail:  eyurick@gettysburg.edu
             OrgTechRef:    https://rdap.arin.net/registry/entity/EY-ARIN
             
             RTechHandle: EY-ARIN
             RTechName:   Yurick, Eric 
             RTechPhone:  +1-717-337-6888 
             RTechEmail:  eyurick@gettysburg.edu
             RTechRef:    https://rdap.arin.net/registry/entity/EY-ARIN
             
             
             #
             # ARIN WHOIS data and services are subject to the Terms of Use
             # available at: https://www.arin.net/resources/registry/whois/tou/
             #
             # If you see inaccuracies in the results, please report at
             # https://www.arin.net/resources/registry/whois/inaccuracy_reporting/
             #
             # Copyright 1997-2026, American Registry for Internet Numbers, Ltd.
             #